CN102289282B - Electronic control device used in synchronous system and synchronous control method thereof - Google Patents
Electronic control device used in synchronous system and synchronous control method thereof Download PDFInfo
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- CN102289282B CN102289282B CN2011101572818A CN201110157281A CN102289282B CN 102289282 B CN102289282 B CN 102289282B CN 2011101572818 A CN2011101572818 A CN 2011101572818A CN 201110157281 A CN201110157281 A CN 201110157281A CN 102289282 B CN102289282 B CN 102289282B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
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Abstract
The invention relates to an electronic control device which comprises a keystroke input unit, a communication unit, a storage unit and a keystroke sequence module, wherein the keystroke input unit comprises at least one key-press with a unique keystroke code; the storage unit is used for storing a keystroke code list corresponding to every keystroke; the keystroke sequence module is used for executing the function corresponding to the keystroke or combination, and obtaining the keystroke code of the keystroke or combination from the keystroke code list; and the keystroke sequence module sends the keystroke code to the other devices so as to control the other devices to execute the function corresponding to the keystroke or combination. The invention also provides a synchronous control method. According to the invention, the keystroke code of the operated keystroke of electronic equipment is send to the other devices to control the other devices to execute the corresponding keystroke function according to the keystroke corresponding to the keystroke code.
Description
Technical field
The present invention relates to a kind of electronic equipment for synchronous control system and synchronisation control means thereof.
Background technology
Existing synchronous control system such as synchronous teaching or conference system generally include that a main equipment and Duo Tai be connected with main equipment from equipment.This main equipment and be generally the computer that is provided with button or touch input device and display screen from equipment.In the process of carrying out sync instruction or meeting, this teaching or conference system with the operation information of main equipment to carry out script transmission to respectively from equipment, simultaneously at the operation screen of simultaneous display main equipment from the display screen of equipment respectively.So, take more internal memory when carrying out the script operation, thereby respectively can not remain with main equipment from equipment and synchronize, respectively can not again check when needed from equipment simultaneously and operation information before main equipment cause user's inconvenience.
Summary of the invention
In view of this, be necessary to provide a kind of electronic equipment for synchronous control system, to address the above problem.
In view of this, also be necessary to provide a kind of synchronisation control means for synchronous control system, to address the above problem.
A kind of electronic equipment is used for a synchronous control system that comprises a plurality of these electronic equipments.This electronic equipment comprises a key-press input unit, a communication unit, a storage unit and a keystroke sequence module.This key-press input unit is used for the response user to the corresponding operation signal of operation generation of document.This communication unit is used for carrying out data communication with other electronic equipments.This key-press input unit comprises at least one button, and each button all has a unique keyboard-coding.This cell stores has a keyboard-coding table, records keyboard-coding corresponding to each button in this keyboard-coding table.The keystroke sequence module is used for button or the key combination operated according to the user, carries out function corresponding to this button or key combination and obtain this button or keyboard-coding corresponding to this key combination from this keyboard-coding table.This keystroke sequence module is also controlled this communication unit and this keyboard-coding is transferred to these other electronic equipments is carried out this button or function corresponding to key combination to control these other electronic equipments.
A kind of electronic equipment is used for a synchronous control system that comprises a plurality of these electronic equipments.This electronic equipment comprises a key-press input unit, a communication unit, a storage unit and a parsing module.This key-press input unit is used for the response user to the corresponding operation signal of operation generation of document.This key-press input unit comprises at least one button, and each button all has a unique keyboard-coding.This cell stores has a keyboard-coding table, records keyboard-coding corresponding to each button in this keyboard-coding table.This communication unit is used for receiving the keyboard-coding of another electronic equipment.This parsing module is used for obtaining button corresponding to this keyboard-coding or key combination from this keyboard-coding table, and carries out the function of button corresponding to this keyboard-coding or key combination.
A kind of synchronisation control means is for an electronic equipment of a synchronous control system.This electronic equipment carries out communication according to other electronic equipments in predefined communications protocol and this synchronous control system.This electronic equipment and these other electronic equipments all store a keyboard-coding table.This synchronisation control means comprises the steps: to respond this electronic equipment user's model selection operation, controls that this electronic equipment enters holotype or from pattern; A document is opened in the operation that responds this electronic equipment user; When this electronic equipment is in holotype, determine button or key combination that this user is operated, carry out function corresponding to this button or this key combination and obtain this button or coding corresponding to this key combination from the keyboard-coding table; The button that the while recording user is operated or the running time of key combination; And running time of this button or key combination and the keyboard-coding of this button or this key combination are transferred to these other electronic equipments in the lump carry out this button or function corresponding to key combination to control these other electronic equipments.
A kind of synchronisation control means is for an electronic equipment of a synchronous control system.This electronic equipment carries out communication according to another electronic equipment in predefined communications protocol and this synchronous control system.This electronic equipment and this another electronic equipment all store a keyboard-coding table.This synchronisation control means comprises the steps: to respond this electronic equipment user's model selection operation, controls that this electronic equipment enters holotype or from pattern; A document is opened in the operation that responds this electronic equipment user; When this electronic equipment is in from pattern, receive the keyboard-coding of this another electronic equipment; Obtain button corresponding to this keyboard-coding or key combination from this keyboard-coding table; And this button of execution or function corresponding to this key combination.
With respect to prior art, above-mentioned electronic equipment and synchronisation control means thereof for synchronous control system is transferred to other electronic equipments to control other electronic equipments button execution corresponding keypress function corresponding according to this keyboard-coding by the keyboard-coding that is operated button with an electronic equipment, save the internal memory of electronic equipment, realized the synchronous of each electronic equipment.
Description of drawings
Fig. 1 is the system schematic of the synchronous control system in an embodiment of the present invention.
Fig. 2 is the functional block diagram of the electronic equipment in Fig. 1.
Fig. 3 is used for the flow chart of steps of the synchronisation control means of synchronous control system in the present invention.
Fig. 4 is main equipment and carry out the method step process flow diagram that identity is switched from equipment in synchronisation control means of the present invention.
Fig. 5 is the schematic diagram of electronic equipment of the present invention.
The main element symbol description
| Synchronous control system | 1 |
| |
10 |
| |
100 |
| From |
200 |
| Key- |
11 |
| |
12 |
| |
13 |
| |
14 |
| |
15 |
| Voice- |
16 |
| Turnover key makes progress | 111 |
| Downward turnover key | 112 |
| Button a | 113 |
| Button b | 114 |
| |
140 |
| The |
141 |
| |
142 |
| The |
143 |
| Principal and subordinate's |
144 |
| |
145 |
| |
146 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1 and Fig. 2, synchronous control system 1 comprises multiple electronic equipment 10, and those electronic equipments 10 are connected by wired or wireless mode and carry out communication according to predefined communications protocol.In the present embodiment, every electronic equipment 10 is equipped with two kinds of patterns and selects for users, i.e. holotype and from pattern.When this electronic equipment 10 enters holotype, this electronic equipment 10 is main equipment 100, other electronic equipments 10 are from equipment 200, and only have at one time an electronic equipment 10 can be set as main equipment 100, have at least an electronic equipment 10 to be made as from equipment 200.The operation information of user on this main equipment 100 can transfer to respectively and carry out the operation same with main equipment 100 from equipment 200 to control from equipment 200.
In the present embodiment, synchronous control system 1 can be teaching control system or conference control system.Each electronic equipment 10 in corresponding this synchronous control system 1 all is equipped with synchro control software in advance, controls software as synchronous teaching software or meeting.Each electronic equipment 10 is similar electronic equipment, as is E-book reader, in other embodiments, can also be the electronic equipments such as computer.Take teaching control system as example, main equipment 100 normally teacher uses, and uses for the student from equipment 200.
See also Fig. 2, electronic equipment 10 comprises a key-press input unit 11, a display unit 12, a communication unit 13, a processing unit 14 and a storage unit 15.
This key-press input unit 11 response users' input operation as selecting the operations such as master slave mode, opening document, page turning, audio plays or video file, produces corresponding operation signal and this operation signal is transferred to processing unit 14.This key-press input unit 11 comprises at least one physical button or touch key-press.Store a keyboard-coding table in storage unit 15, record keyboard-coding corresponding to each button in this keyboard-coding table.In present embodiment, for each button arranges unique keyboard-coding.Take binary coding as example, this keyboard-coding is comprised of six binary codings, as, see also Fig. 5, turnover key 112 is encoded to 000001 downwards, upwards turnover key 111 be encoded to 000010, button a namely 113 be encoded to 000011, button b namely 114 be encoded to 000100, the key combination of Ctrl button+S button be encoded to 010000 etc.Wherein, button 112-114 can be physical button, also can be for being arranged at the touch key-press on electronic equipment 10.
This communication unit 13 is used for carrying out data communication with other electronic equipments 10.
This processing unit 14 comprises a document process module 141, a display module 142, a keystroke sequence module 143 and principal and subordinate's control module 144.
The 144 response user one model selections operations of this principal and subordinate's control module control that this electronic equipment 10 enters holotype or from pattern.In the present embodiment, this synchronous control system 1 only has an electronic equipment 10 to be in holotype at one time.
When this electronic equipment 10 enters holotype or after pattern, a document is opened in the document processing module 141 response users' operation, and in present embodiment, each electronic equipment 10 is opened same document, and shows that the document is in this display unit 12.in other embodiments, after an electronic equipment 10 enters holotype and opens a document therein, this electronic equipment 10 that is in holotype is that main equipment 100 sends signal prompts and entered from the electronic equipment 10 of pattern and namely open corresponding document from equipment 200, in a kind of mode, the signal that main equipment 100 sends carries the document name of the document of having opened on main equipment 100, described signal is received and is parsed document name and is shown in from equipment 200 from equipment 200, can open corresponding document from equipment 200 according to the document name that shows from the user of equipment 200.
After document was opened, main equipment 100 can be to controlling from equipment 200.In other embodiments, enter holotype or after pattern, main equipment 100 can be to controlling from equipment 200 when each electronic equipment 10.
When this electronic equipment 10 is in holotype, at first this keystroke sequence module 143 determines the operated button of user, when carrying out function corresponding to this button, obtain keyboard-coding corresponding to this button from the keyboard-coding table, then the keyboard-coding that this button is corresponding transfers to respectively from equipment 200 by communication unit 13, when the user operates simultaneously a plurality of buttons and is combination button, obtain the keyboard-coding of a plurality of buttons from the keyboard-coding table, the keyboard-coding of a plurality of buttons is transferred to respectively from equipment 200 simultaneously by communication unit 13.
After receiving the keyboard-coding of main equipment 100 from equipment 200 by communication unit 13, this parsing module 145 obtains button corresponding to this keyboard-coding or key combination from this keyboard-coding table, and carry out function corresponding to this button, namely carry out the operation to document, as document file page is carried out translation, page turning etc., close document etc.When receiving at one time the coding of more than 100 button of main equipment from equipment 200, parsing module 145 obtains button corresponding to these a plurality of keyboard-codings from this keyboard-coding table, and carries out function corresponding to a plurality of key combination.
When this electronic equipment 10 is in from pattern, the button that the keyboard-coding that logging modle 146 records receive and this keyboard-coding are corresponding or the running time of key combination, and be recorded in a document function file after the time interval between the order of each keyboard-coding, adjacent keyboard-coding and the corresponding part integration of this operated document, and the document operation file is stored in storage unit 15.
For example, when the operated document of main equipment 100 is A, its user supresses downward turnover key 112 at 8, and logging modle 146 recording users of main equipment 100 are to running time of downward turnover key 112 and transfer to keystroke sequence module 143.Keystroke sequence module 143 is obtained downward turnover key 112 in the keyboard-coding table keyboard-coding is 000001, in time 8 of this keyboard-coding 000001 and running times is sent in the lump respectively from equipment 200.Supressed the Ctrl+S combination button in 8: 10 as the user, keystroke sequence module 143 is obtained the Ctrl+S combination button in the keyboard-coding table keyboard-coding is 010000, in time this keyboard-coding 010000 and 8: 10 running time is sent in the lump respectively from equipment 200.The keyboard-coding 000001 and running times 8 point that receive from logging modle 146 instant recordings of equipment 200, keyboard-coding 010000 and running time 8: 10, and with keyboard-coding 000001 formerly, keyboard-coding 010000 and then 10 minutes time intervals and the document A of the order of this after keyboard-coding 000001, this keyboard-coding 000001 and keyboard-coding 010000 partly is recorded in an A document function file after integration accordingly, and this A document function file is stored in storage unit 15.
Be in electronic equipment 10 from pattern when not carrying out data communication with main equipment 100, also can respond user's request replay operations, for example open the document function file that is stored in storage unit 15, according to the operation of the document operation file execution to the document, coordinate simultaneously and play voice messaging, the picture of the 100 pairs of document functions of main equipment of namely resetting and main equipment 100 users' the voice messaging of recording.
So, synchronous control system 1 arrives the coding instantaneous transmission of 100 pairs of button operations of main equipment respectively from equipment 200, carry out the function of button corresponding to this keyboard-coding after respectively from equipment 200, this keyboard-coding being resolved, carry out the mode of script compared to existing transmission, more save respectively from equipment 200 internal memories, thereby realize respectively synchronizeing from equipment 200 and main equipment 100.
In the present embodiment, be in the principal and subordinate's identity that also responds the user from the key-press input unit 11 of the electronic equipment 10 of pattern and switch input operation, produces corresponding master-slave swap solicit operation signal and also this master-slave swap solicit operation signal is transferred to main equipment 100.
Principal and subordinate's control module 144 of main equipment 100 is also according to the operation signal of the principal and subordinate's identity handoff request that receives, generate a master-slave swap request instruction, display module 142 shows according to this master-slave swap request instruction control display unit 12 whether the user of dialog boxes prompting main equipments 100 agrees this master-slave swap request.This principal and subordinate's control module 144 response main equipment 100 users' agreement or refuse the operation of this request and control accordingly this main equipment 100 and change to from pattern or keep holotype, simultaneously the user is agreed or the operation signal of refusing this request transfer to this transmission master-slave swap request from equipment 200.
When the operation signal of this master-slave swap request of agreement of receiving master transmissions from equipment 200, should should change to holotype from equipment 200 from principal and subordinate's control module 144 of equipment 200.And when the operation signal of this master-slave swap request of refusal of receiving master transmissions from equipment 200, this principal and subordinate's control module 144 is controlled and should be kept from pattern from equipment 200.
See also Fig. 3, it is the flow chart of steps of synchronisation control means of the present invention, comprises the steps:
Step S301, principal and subordinate's control module 144 response users' model selection operation controls that electronic equipment 10 enters holotype or from pattern.In the present embodiment, the electronic equipment 10 that enters holotype is main equipment 100, and entering from each electronic equipment 10 of pattern is from equipment 200.
Step S302, a document is opened in document process module 141 response users' operation.
Step S303, the keystroke sequence module 143 of main equipment 100 is determined operated button or the key combination of user, carry out function corresponding to this button or this key combination and obtain this button or coding corresponding to this key combination from the keyboard-coding table, meanwhile, the button that logging modle 146 recording users are operated or the running time of key combination, and the running time of this button or key combination is transferred to keystroke sequence module 143.
Step S304, keystroke sequence module 143 transfers to respectively from equipment 200 in the lump by the keyboard-coding of communication unit 13 with the running time of this button or key combination and this button or this key combination.In other embodiments, the logging modle 146 of main equipment 100 is also recorded its user's voice messaging, and instant or etc. the user this voice messaging of recording is transferred to respectively from equipment 200 by communication unit 13 after to the document end of operation.
Step S305, respectively the parsing module 145 from equipment 200 obtains button corresponding to this keyboard-coding or key combination from this keyboard-coding table.
Step S306 respectively carries out this button or function corresponding to this key combination from the parsing module 145 of equipment 200, namely carries out the operation to document.
Step S306, display module 142 is according to the operation to document of carrying out, and the corresponding document content of control display is in the display unit 12 from equipment 200.
Step S308, respectively be recorded in a document function file after the time interval between the order of this keyboard-coding that respectively receives from equipment 200 and each keyboard-coding of receiving, adjacent keyboard-coding and the corresponding part integration of this operated document from the logging modle 146 of equipment 200, and the document operation file is stored in storage unit 15.
See also Fig. 4, it carries out for the main equipment 100 in synchronisation control means of the present invention with from equipment 200 flow chart of steps that identity is switched, and comprises the steps:
Step S401, whether processing unit 14 judgements exist the master-slave swap solicit operation from equipment 200, if so, enter step S402, if not, return to step S401.
Step S402 transfers to main equipment 100 with the operation signal of this master-slave swap request.
Step S403, principal and subordinate's control module 144 of main equipment 100 generates a master-slave swap request instruction according to the operation signal of the principal and subordinate's identity handoff request that receives.
Step S404 judges whether the user of main equipment 100 agrees this master-slave swap request, if so, enters step S405, if not, returns to step S401.In the present embodiment, display module 142 shows according to this master-slave swap request instruction control display unit 12 whether the user of dialog boxes prompting main equipments 100 agrees this master-slave swap request.
Step S405, this synchronous control system 1 is carried out this master-slave swap instruction, control this main equipment 100 and should carry out identity from equipment 200 and switch, namely principal and subordinate's control module 144 of this main equipment 100 changes to main equipment 100 from pattern, should will change to holotype from equipment 200 from principal and subordinate's control module 144 of equipment 200.
Those skilled in the art will be appreciated that; above embodiment is only that the present invention is described; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, the appropriate change that above embodiment is done and change all drop on the scope of protection of present invention within.
Claims (9)
1. electronic equipment, be used for a synchronous control system that comprises a plurality of these electronic equipments, this electronic equipment comprises a key-press input unit, a communication unit and a storage unit, this key-press input unit is used for the response user to the corresponding operation signal of operation generation of document, this communication unit is used for carrying out data communication with other electronic equipments, it is characterized in that:
This key-press input unit comprises at least one button, and each button all has a unique keyboard-coding;
This cell stores has a keyboard-coding table, records keyboard-coding corresponding to each button in this keyboard-coding table;
This electronic equipment also comprises a keystroke sequence module, is used for button or the key combination operated according to the user, carries out function corresponding to this button or key combination and obtain this button or keyboard-coding corresponding to this key combination from this keyboard-coding table;
This electronic equipment also comprises a logging modle, is used for the operated button of recording user or the running time of key combination, and the running time of this button or key combination is transferred to this keystroke sequence module; And
This keystroke sequence module is also controlled this communication unit and this button or keyboard-coding corresponding to this key combination and this button or running time corresponding to this key combination are transferred to these other electronic equipments by this communication unit is carried out this button or function corresponding to key combination to control these other electronic equipments.
2. electronic equipment as claimed in claim 1, it is characterized in that: this electronic equipment also comprises principal and subordinate's control module, the principal and subordinate who is used for the response user selects operation to control this electronic equipment and enters accordingly a holotype or from pattern.
3. electronic equipment as claimed in claim 2, it is characterized in that: when this electronic equipment is in holotype, this principal and subordinate's control module generates a master-slave swap request instruction and also points out the user whether to agree this master-slave swap request also according to the operation signal of principal and subordinate's identity handoff request of these other electronic equipment; This principal and subordinate's control module also responds user's agreement or refuses the operation of this request and control accordingly this electronic equipment and change to from pattern or keep holotype, simultaneously the user is agreed or the operation signal of refusing this request transfers to this other electronic equipments by this communication unit.
4. electronic equipment, be used for a synchronous control system that comprises a plurality of these electronic equipments, this electronic equipment comprises a key-press input unit, a communication unit and a storage unit, and this key-press input unit is used for the response user to the corresponding operation signal of operation generation of document, it is characterized in that:
This key-press input unit comprises at least one button, and each button all has a unique keyboard-coding;
This cell stores has a keyboard-coding table, records keyboard-coding corresponding to each button in this keyboard-coding table;
This communication unit is used for receiving the keyboard-coding of another electronic equipment; And
This electronic equipment also comprises a parsing module, is used for obtaining button corresponding to this keyboard-coding or key combination from this keyboard-coding table, and carries out the function of button corresponding to this keyboard-coding or key combination.
5. electronic equipment as claimed in claim 4, it is characterized in that: this communication unit also is used for receiving button corresponding to this keyboard-coding or the running time of this key combination, this electronic equipment also comprises a logging modle, be used for button corresponding to keyboard-coding that record receives and this keyboard-coding or the running time of key combination, and be recorded in a document function file after the time interval between the order of each keyboard-coding, adjacent keyboard-coding and the corresponding part integration of this operated document, and the document operation file is stored in this storage unit.
6. electronic equipment as claimed in claim 4, it is characterized in that: this electronic equipment also comprises principal and subordinate's control module, the principal and subordinate who is used for the response user selects operation to control this electronic equipment and enters accordingly a holotype or from pattern.
7. electronic equipment as claimed in claim 6, it is characterized in that: this electronic equipment is in from pattern, and when this another electronic equipment is in holotype, this key-press input unit also is used for principal and subordinate's identity switching input operation of response user, produce a master-slave swap solicit operation signal and this master-slave swap solicit operation signal is transferred to another electronic equipment that this is in holotype, and according to the agreement of this another electronic equipment or refuse the operation signal of this master-slave swap request, control this electronic equipment and enter holotype or keep from pattern.
8. synchronisation control means, an electronic equipment that is used for a synchronous control system, this electronic equipment carries out communication according to other electronic equipments in predefined communications protocol and this synchronous control system, this electronic equipment and these other electronic equipments all store a keyboard-coding table, and this synchronisation control means comprises the steps:
Respond this electronic equipment user's model selection operation, control that this electronic equipment enters holotype or from pattern;
A document is opened in the operation that responds this electronic equipment user;
When this electronic equipment is in holotype, determine button or key combination that this user is operated, carry out function corresponding to this button or this key combination and obtain this button or coding corresponding to this key combination from the keyboard-coding table; The button that the while recording user is operated or the running time of key combination; And
Running time of this button or key combination and the keyboard-coding of this button or this key combination are transferred to these other electronic equipments in the lump carry out this button or function corresponding to key combination to control these other electronic equipments.
9. synchronisation control means, an electronic equipment that is used for a synchronous control system, this electronic equipment carries out communication according to another electronic equipment in predefined communications protocol and this synchronous control system, this electronic equipment and this another electronic equipment all store a keyboard-coding table, and this synchronisation control means comprises the steps:
Respond this electronic equipment user's model selection operation, control that this electronic equipment enters holotype or from pattern;
A document is opened in the operation that responds this electronic equipment user;
When this electronic equipment is in from pattern, receive the keyboard-coding of this another electronic equipment;
Obtain button corresponding to this keyboard-coding or key combination from this keyboard-coding table; And
Carry out this button or function corresponding to this key combination.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101572818A CN102289282B (en) | 2011-06-13 | 2011-06-13 | Electronic control device used in synchronous system and synchronous control method thereof |
| TW100121152A TWI539293B (en) | 2011-06-13 | 2011-06-17 | Electronic device used in synchronous control system and synchronous control method thereof |
| US13/310,711 US20120313797A1 (en) | 2011-06-13 | 2011-12-03 | Electronic device used in synchronous control system and synchronous control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101572818A CN102289282B (en) | 2011-06-13 | 2011-06-13 | Electronic control device used in synchronous system and synchronous control method thereof |
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| CN102289282A CN102289282A (en) | 2011-12-21 |
| CN102289282B true CN102289282B (en) | 2013-11-06 |
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| CN2011101572818A Expired - Fee Related CN102289282B (en) | 2011-06-13 | 2011-06-13 | Electronic control device used in synchronous system and synchronous control method thereof |
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| Country | Link |
|---|---|
| US (1) | US20120313797A1 (en) |
| CN (1) | CN102289282B (en) |
| TW (1) | TWI539293B (en) |
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- 2011-06-13 CN CN2011101572818A patent/CN102289282B/en not_active Expired - Fee Related
- 2011-06-17 TW TW100121152A patent/TWI539293B/en not_active IP Right Cessation
- 2011-12-03 US US13/310,711 patent/US20120313797A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2561035Y (en) * | 2002-05-19 | 2003-07-16 | 周涛 | Multimedia wireless two-way visval voice teaching host and machine for students |
| CN101097652A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Remote control setting method |
| CN201138466Y (en) * | 2007-12-07 | 2008-10-22 | 周宪忠 | Wireless interactive apparatus for discussion of multi-person meeting and teaching with storage card plugging function |
| CN101183487A (en) * | 2007-12-25 | 2008-05-21 | 腾讯科技（深圳）有限公司 | Input instruction system and method for electronic equipments |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI539293B (en) | 2016-06-21 |
| TW201250479A (en) | 2012-12-16 |
| US20120313797A1 (en) | 2012-12-13 |
| CN102289282A (en) | 2011-12-21 |
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